| Business Name | Address | |
| Oberlander Electric Co | 8826 W Us Highway 24 Mapleton, IL 61547 |
 |
| Roy Keith Electric Co | 4919 S Trivoli Rd Trivoli, IL 61569 |
|
| Copper Creek Electric | 4704 S Oak Grove Rd Trivoli, IL 61569 |
|
| Utilities Service Corp | 7810 N Kickapoo Edwards Rd Edwards, IL 61528 |
|
| Koener Electric Co | 600 Mckinley Ave Bartonville, IL 61607 |
|